NAVY UFGS-26 20 00-2008 INTERIOR DISTRIBUTION SYSTEM《室内配线系统》.pdf

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1、*USACE / NAVFAC / AFCESA / NASA UFGS-26 20 00 (August 2008)-Preparing Activity: NAVFAC Superseding UFGS-26 20 00 (July 2007)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2008*SECTION TABLE OF CONTENTSDIVISION 26 - ELECTRICALSECTION 26 20 00INTERIOR DISTRIBUT

2、ION SYSTEM08/08PART 1 GENERAL1.1 REFERENCES1.2 DEFINITIONS1.3 SUBMITTALS1.4 QUALITY ASSURANCE1.4.1 Fuses1.4.2 Regulatory Requirements1.4.3 Standard Products1.4.3.1 Alternative Qualifications1.4.3.2 Material and Equipment Manufacturing Date1.5 MAINTENANCE1.5.1 Electrical Systems1.6 WARRANTY1.7 SEISMI

3、C REQUIREMENTSPART 2 PRODUCTS2.1 MATERIALS AND EQUIPMENT2.2 CONDUIT AND FITTINGS2.2.1 Rigid Metallic Conduit2.2.1.1 Rigid, Threaded Zinc-Coated Steel Conduit2.2.1.2 Rigid Aluminum Conduit2.2.2 Rigid Nonmetallic Conduit2.2.3 Intermediate Metal Conduit (IMC)2.2.4 Electrical, Zinc-Coated Steel Metallic

4、 Tubing (EMT)2.2.5 Plastic-Coated Rigid Steel and IMC Conduit2.2.6 Flexible Metal Conduit2.2.6.1 Liquid-Tight Flexible Metal Conduit, Steel2.2.7 Fittings for Metal Conduit, EMT, and Flexible Metal Conduit2.2.7.1 Fittings for Rigid Metal Conduit and IMC2.2.7.2 Fittings for EMT2.2.8 Fittings for Rigid

5、 Nonmetallic Conduit2.2.9 Liquid-Tight Flexible Nonmetallic Conduit2.3 SURFACE RACEWAY2.3.1 Surface Metal RacewaySECTION 26 20 00 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.3.2 Surface Nonmetallic Raceway2.4 BUSWAY2.4.1 Feeder Busways2.4

6、.2 Plug-In Busways2.5 CABLE TRAYS2.5.1 Basket-Type Cable Trays2.5.2 Trough-Type Cable Trays2.5.3 Ladder-Type Cable Trays2.5.4 Channel-Type Cable Trays2.5.5 Solid Bottom-Type Cable Trays2.5.6 Cantilever2.6 OPEN TELECOMMUNICATIONS CABLE SUPPORT2.6.1 Open Top Cable Supports2.6.2 Closed Ring Cable Suppo

7、rts2.7 OUTLET BOXES AND COVERS2.7.1 Floor Outlet Boxes2.7.2 Outlet Boxes for Telecommunications System2.7.3 Clock Outlet for Use in Other Than Wired Clock System2.8 CABINETS, JUNCTION BOXES, AND PULL BOXES2.9 WIRES AND CABLES2.9.1 Conductors2.9.1.1 Equipment Manufacturer Requirements2.9.1.2 Aluminum

8、 Conductors2.9.1.3 Minimum Conductor Sizes2.9.2 Color Coding2.9.3 Insulation2.9.4 Bonding Conductors2.9.4.1 Telecommunications Bonding Backbone (TBB)2.9.4.2 Bonding Conductor for Telecommunications2.9.5 Service Entrance Cables2.9.6 Nonmetallic Sheathed Cable2.9.7 Wire and Cable for 400 Hertz (Hz) Ci

9、rcuits2.9.8 Metal-Clad Cable2.9.9 Armored Cable2.9.10 Mineral-Insulated, Metal-Sheathed Cable2.9.11 Flat Conductor Cable2.9.12 Cable Tray Cable or Power Limited Tray Cable2.9.13 Cord Sets and Power-Supply Cords2.10 SPLICES AND TERMINATION COMPONENTS2.11 DEVICE PLATES2.12 SWITCHES2.12.1 Toggle Switch

10、es2.12.2 Switch with Red Pilot Handle2.12.3 Breakers Used as Switches2.12.4 Disconnect Switches2.13 FUSES2.13.1 Fuseholders2.13.2 Cartridge Fuses, Current Limiting Type (Class R)2.13.3 Cartridge Fuses, High-Interrupting Capacity, Current Limiting Type (Classes J, L, and CC)2.13.4 Cartridge Fuses, Cu

11、rrent Limiting Type (Class T)2.14 RECEPTACLES2.14.1 Switched Duplex Receptacles2.14.2 Weatherproof Receptacles2.14.3 Ground-Fault Circuit Interrupter Receptacles2.14.4 Special Purpose Receptacles2.14.5 Plugs2.14.6 Range Receptacles2.14.7 Dryer ReceptaclesSECTION 26 20 00 Page 2Provided by IHSNot for

12、 ResaleNo reproduction or networking permitted without license from IHS-,-,-2.14.8 Tamper-Resistant Receptacles2.15 PANELBOARDS2.15.1 Enclosure2.15.2 Panelboard Buses2.15.2.1 Panelboard Neutrals for Non-Linear Loads2.15.3 Circuit Breakers2.15.3.1 Multipole Breakers2.15.3.2 Circuit Breaker With GFCI

13、GFI2.15.3.3 Circuit Breakers for HVAC Equipment2.15.3.4 Arc-Fault Circuit-Interrupters2.15.4 Fusible Switches for Panelboards2.15.5 400 Hz Panelboard and Breakers2.16 RESIDENTIAL LOAD CENTERS2.16.1 RLC Buses2.16.2 Circuit Breakers2.16.2.1 Multipole Breakers2.16.2.2 Circuit Breaker With GFCI GFI2.16.

14、2.3 Arc-Fault Circuit-Interrupters2.17 LOAD CENTERS FOR HOUSING UNITS2.17.1 Panelboard Buses2.17.2 Circuit Breakers2.17.2.1 Multipole Breakers2.17.2.2 Arc-Fault Circuit-Interrupters2.18 ENCLOSED CIRCUIT BREAKERS2.19 MOTOR SHORT-CIRCUIT PROTECTOR (MSCP)2.20 TRANSFORMERS2.20.1 Specified Transformer Ef

15、ficiency2.20.2 Transformers With Non-Linear Loads2.21 MOTORS2.21.1 High Efficiency Single-Phase Motors2.21.2 Premium Efficiency Polyphase Motors2.21.3 Motor Sizes2.21.4 Wiring and Conduit2.22 MOTOR CONTROLLERS2.22.1 Control Wiring2.22.2 Control Circuit Terminal Blocks2.22.2.1 Types of Terminal Block

16、s2.22.3 Control Circuits2.22.4 Enclosures for Motor Controllers2.22.5 Multiple-Speed Motor Controllers and Reversible Motor Controllers2.22.6 Pushbutton Stations2.22.7 Pilot and Indicating Lights2.22.8 Reduced-Voltage Controllers2.23 MANUAL MOTOR STARTERS (MOTOR RATED SWITCHES)2.23.1 Pilot Lights2.2

17、4 MOTOR CONTROL CENTERS2.24.1 Bus Systems2.24.1.1 Horizontal and Main Buses2.24.1.2 Vertical Bus2.24.1.3 Ground Bus2.24.1.4 Neutral Bus2.24.2 Motor Disconnecting Devices and Controllers2.24.3 Combination Motor Controllers2.24.4 Space Heaters2.25 LOCKOUT REQUIREMENTS2.26 TELECOMMUNICATIONS SYSTEM2.27

18、 COMMUNITY ANTENNA TELEVISION (CATV) SYSTEM2.27.1 CATV OutletsSECTION 26 20 00 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.27.2 CATV Faceplates2.27.3 Backboards2.28 GROUNDING AND BONDING EQUIPMENT2.28.1 Ground Rods2.28.2 Ground Bus2.28.3

19、Telecommunications and CATVGrounding Busbar2.29 HAZARDOUS LOCATIONS2.30 MANUFACTURERS NAMEPLATE2.31 FIELD FABRICATED NAMEPLATES2.32 WARNING SIGNS2.33 FIRESTOPPING MATERIALS2.34 WIREWAYS2.35 METERING2.36 METER BASE ONLY2.37 SURGE PROTECTIVE DEVICES2.38 FACTORY APPLIED FINISH2.39 SOURCE QUALITY CONTRO

20、L2.39.1 Transformer Factory Tests2.40 COORDINATED POWER SYSTEM PROTECTIONPART 3 EXECUTION3.1 INSTALLATION3.1.1 Underground Service3.1.2 Overhead Service3.1.3 Hazardous Locations3.1.4 Service Entrance Identification3.1.4.1 Labels3.1.5 Wiring Methods3.1.5.1 Pull Wire3.1.5.2 Metal Clad Cable3.1.5.3 Arm

21、ored Cable3.1.5.4 Flat Conductor Cable3.1.6 Conduit Installation3.1.6.1 Restrictions Applicable to Aluminum Conduit3.1.6.2 Restrictions Applicable to EMT3.1.6.3 Restrictions Applicable to Nonmetallic Conduit3.1.6.4 Restrictions Applicable to Flexible Conduit3.1.6.5 Service Entrance Conduit, Overhead

22、3.1.6.6 Service Entrance Conduit, Underground3.1.6.7 Underground Conduit Other Than Service Entrance3.1.6.8 Conduit Interior to Buildings for 400 Hz Circuits3.1.6.9 Conduit for Circuits Rated Greater Than 600 Volts3.1.6.10 Conduit Installed Under Floor Slabs3.1.6.11 Conduit Through Floor Slabs3.1.6.

23、12 Conduit Installed in Concrete Floor Slabs3.1.6.13 Stub-Ups3.1.6.14 Conduit Support3.1.6.15 Directional Changes in Conduit Runs3.1.6.16 Locknuts and Bushings3.1.6.17 Flexible Connections3.1.6.18 Telecommunications and Signal System Pathway3.1.6.19 Community Antenna Television (CATV) System Conduit

24、s3.1.7 Busway Installation3.1.8 Cable Tray Installation3.1.9 Telecommunications Cable Support Installation3.1.10 Boxes, Outlets, and Supports3.1.10.1 Boxes3.1.10.2 Pull BoxesSECTION 26 20 00 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.1.1

25、0.3 Extension Rings3.1.11 Mounting Heights3.1.12 Nonmetallic Sheathed Cable Installation3.1.13 Mineral Insulated, Metal Sheathed (Type MI) Cable Installation3.1.14 Conductor Identification3.1.14.1 Marking Strips3.1.15 Splices3.1.15.1 Splices of Aluminum Conductors3.1.16 Terminating Aluminum Conducto

26、rs3.1.16.1 Termination to Copper Bus3.1.16.2 Termination to Aluminum Bus3.1.17 Covers and Device Plates3.1.18 Electrical Penetrations3.1.19 Grounding and Bonding3.1.19.1 Ground Rods3.1.19.2 Grounding Connections3.1.19.3 Ground Bus3.1.19.4 Resistance3.1.19.5 Telecommunications System3.1.20 Equipment

27、Connections3.1.21 Elevator3.1.22 Government-Furnished Equipment3.1.23 Repair of Existing Work3.1.23.1 Workmanship3.1.23.2 Existing Concealed Wiring to be Removed3.1.23.3 Removal of Existing Electrical Distribution System3.1.23.4 Continuation of Service3.1.24 Watthour Meters3.1.25 Surge Protective De

28、vices3.2 FIELD FABRICATED NAMEPLATE MOUNTING3.3 WARNING SIGN MOUNTING3.4 FIELD APPLIED PAINTING3.5 FIELD QUALITY CONTROL3.5.1 Devices Subject to Manual Operation3.5.2 600-Volt Wiring Test3.5.3 Transformer Tests3.5.4 Ground-Fault Receptacle Test3.5.5 Grounding System Test3.5.6 Watthour Meter- End of

29、Section Table of Contents -SECTION 26 20 00 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-26 20 00 (August 2008)-Preparing Activity: NAVFAC Superseding UFGS-26 20 00 (July 2007)UNIFIED FACILITIES GUIDE SPE

30、CIFICATIONSReferences are in agreement with UMRL dated July 2008*SECTION 26 20 00INTERIOR DISTRIBUTION SYSTEM08/08*NOTE: This guide specification covers the requirements for the procurement, installation, and testing of electrical wiring systems for construction projects. Telecommunications cabling

31、is covered in Section 27 10 00, BUILDING TELECOMMUNICATIONS CABLING SYSTEM. These wiring systems primarily involve voltages of 1,000 volts and less and mainly involve interior systems. When voltages greater than 1,000 volts are brought into a facility, consult and use Section 33 71 02.00 20, UNDERGR

32、OUND ELECTRICAL DISTRIBUTION; Section 26 11 16, SECONDARY UNIT SUBSTATIONS; and Section 26 12 19.10, PAD-MOUNTED TRANSFORMERS for Navy projects and Section 33 71 01, UNDERGROUND ELECTRICAL DISTRIBUTION SYSTEM, AERIAL; Section 33 70 02.00 10, UNDERGROUND ELECTRICAL DISTRIBUTION SYSTEM; and Section 26

33、 11 14.00 10, MAIN ELECTRIC SUPPLY STATION AND SUBSTATION on Army projects as required. Requirements for materials and procedures for special or unusual design should be added as necessary to fit specific projects.Edit this guide specification for project specific requirements by adding, deleting, o

34、r revising text. For bracketed items, choose applicable items(s) or insert appropriate information.Remove information and requirements not required in respective project, whether or not brackets are present.Comments and suggestion on this specification are welcome and should be directed to the techn

35、ical proponent of the specification. A listing of the technical proponents, including their organization designation and telephone number, is on the Internet.*NOTE: The following information shall be shown on SECTION 26 20 00 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted

36、 without license from IHS-,-,-the project drawings:1. Location of equipment2. Single-line diagrams elevations, limiting dimensions, and equipment ratings which are not covered in the specifications3. Remote indicating or control requirements.*PART 1 GENERAL1.1 REFERENCES*NOTE: This paragraph is used

37、 to list the publications cited in the text of the guide specification. The publications are referred to in the text by basic designation only and listed in this paragraph by organization, designation, date, and title.Use the Reference Wizards Check Reference feature when you add a RID outside of th

38、e Sections Reference Article to automatically place the reference in the Reference Article. Also use the Reference Wizards Check Reference feature to update the issue dates.References not used in the text will automatically be deleted from this section of the project specification when you choose to

39、 reconcile references in the publish print process.*The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only.AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)ANSI C12.7 (2005) Requirements for Watt

40、hour Meter SocketsASTM INTERNATIONAL (ASTM)ASTM B 1 (2001; R 2007) Standard Specification for Hard-Drawn Copper WireASTM B 8 (2004) Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or SoftASTM D 709 (2001; R 2007) Laminated Thermosetting MaterialsSECTION 26 20

41、 00 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)IEEE C2 (2007; Errata 2007) National Electrical Safety CodeIEEE Std 100 (2000) The Authoritave Dictionary of IEEE Standards TermsIEEE St

42、d 81 (1983) Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Ground System (Part 1)Normal MeasurementsINTERNATIONAL ELECTRICAL TESTING ASSOCIATION (NETA)NETA ATS (2003) Acceptance Testing SpecificationsNATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)NEMA

43、 250 (2003) Enclosures for Electrical Equipment (1000 Volts Maximum)NEMA BU 1.1 (2005) General Instructions for Proper Handling, Installation, Operation, and Maintenance of Busway Rated 600 Volts or LessNEMA C12.1 (2001) Electric Meters; Code for Electricity MeteringNEMA C80.1 (2005) Standard for El

44、ectrical Rigid Steel Conduit (ERSC)NEMA C80.3 (2005) Standard for Electrical Metallic Tubing (EMT)NEMA C80.5 (2005) Standard for Electrical Rigid Aluminum Conduit (ERAC)NEMA FU 1 (2002; R 2007) Low Voltage Cartridge FusesNEMA ICS 1 (2000; R 2005) Standard for Industrial Control and Systems General R

45、equirementsNEMA ICS 2 (2000; Errata 2002; R 2005; Errata 2006) Standard for Industrial Control and Systems: Controllers, Contractors, and Overload Relays Rated Not More than 2000 Volts AC or 750 Volts DC: Part 8 - Disconnect Devices for Use in Industrial Control EquipmentNEMA ICS 3 (2005) Standard for Industrial Control and Systems: Medium Voltage Controllers Rated 2001 to 7200 Volts ACNEMA ICS 4 (2005) Industrial Control and Systems: Terminal BlocksSECTION 26 20 00 Page 8Provided by IHSNot for ResaleNo reproduction or networking p